Question about Jeep Cherokee

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96 Jeep Cherokee Country will turn over fine will not start. engine light code is 121155

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  • Ronny Bennett Sr.
    Ronny Bennett Sr. May 26, 2010

    This code does not look correct,is this from the obd2 scan?

  • chapind May 26, 2010

    This from the engine light code. done by turning key on off on off and on. the engine light will flash a number with a pause and then a number etc.

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  • Jeep Master
  • 17,970 Answers

- Code 12, recently battery unplugged

- Code 11 Ignition reference signal
No ignition reference signal detected during cranking (bad Hall effect) OR loss of camshaft sensor (and, for cars with crankshaft sensors — which does not include the 2.2/2.5 — timing belt skipped a tooth or loss of crankshaft sensor).

Note #8 Can cause the engine to stop working entirely with no limp-home mode. Note: An anonymous poster wrote, “Code 11 will only be set upon clearing the codes, most commonly by disconnecting the battery. It says in the factory diagnostic manuals that code 11 means no ignition reference signal has been seen since battery disconnect. As soon as the vehicle's engine is cranked, and a reference signal is seen, code 11 will go away immediately on it's own. It also won't be set upon failure of a part such as a hall-effect pick-up plate, or loss of the timing belt. If no reference signal is seen during cranking after a battery disconnect, code 11 will remain. This is a helpful indicator in a no-start condition.” (Chrysler did sometimes change codes depending on the year, so it may be that some of these apply to differentyears).

- Code 55 End scan test

Check other details HERE.

Hope help with this, remember rated this help.

Posted on May 26, 2010

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  • Jeep Master
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I believe this is a code po 1155 alternative fuel control module has activated the mil

Posted on May 26, 2010

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1 Answer

I have a 96 jeep grand cherokee with a 4.0 It runs fine but then dies at random and wont start again until it sits for a while. Like i say it dies totally at random. Im thinking a sensor, anyone have


First I suggest scanned the fault codes stored there; turn the ignition key (without start engine) "on/off on/off on" and read odometer codes Pxxxx. Note this codes and send us for other details.

Keep in touch.

Dec 06, 2012 | 1996 Jeep Grand Cherokee

1 Answer

1996 jeep cherokee country i have fuel and spark engine turns over but still will not start.at one point i crank it for the longest time it started i warm it up then the next day it did the same thing...


When the jeep is cold, turn the key to the on position, without cranking the engine, to see if the check engine light is lit up, on the dashboard. If it is not lit up then the ecu is going bad, slowly dying. If no check engine light is on, leave the ignition turned to the on position for a while(may take up to 30 mins) and the check engine light should then come on and the jeep should start. If this turns out to be the problem with your jeep, then your ecu is in need of repair.

Feb 17, 2011 | 1996 Jeep Cherokee Country

2 Answers

1995 jeep cherokee drove across country to vail colorado and the engine is turning over but wouldn't start. Took it to a jeep dealer and they said they couldnt replicate the problem , it started every time...


Without running any tests, it is pretty much impossible to tell you why it would not start.
What I can tell you is that if the engine turns when you turn the key, the starter is good. Only exception there is if it turns much slower than normal and battery is fully charged.(verified again by testing). The starters only job is to turn the engine. Your ignition and fuel system is what makes it start and run. A thermostat has nothing to do with starting. If the engine temp is normal when running and you have not overheated it is fine.
Shops use a scanner attached to the vehicles computer system in order to begin diagnosis. The vehicle computer stores fault codes. Most larger parts stores will do a basic scan for free. have that done and see if there are any faults stored...that will give you some idea what may actually be going on. One item that won't show up on a scan is your fuel pump. If the vehicle stalls and you cannot hear the pump when you turn the key back on, that should be looked at.
Often when a pump begins to fail, it gets hot and binds. Once cooled down it will resume operation 'till it heats up again.
As i said though...Without testing I'm only giving you test options and a good guess.

Jan 17, 2011 | 1995 Jeep Grand Cherokee

1 Answer

I have a 96 Jeep Grand Cherokee . I will drive it for a while and works fine, then I will stop and turn off the engine and when I try to restart the engine it will not turn over. The battery is new and...


change the starter, my truck was doing that for the longest time,finally left me stranded at work,replaced the starter haven't had any more problems!

Jan 15, 2010 | 1996 Jeep Grand Cherokee

1 Answer

My 93 jeep cherokee will not start lights come on inside is it the starter?


I had the same problem with my Jeep 96.
I changed the starter an everything worked fine.
very reasonable and very easy to replace yourself.

Mar 27, 2009 | 1993 Jeep Cherokee Country

1 Answer

1996 jeep cherokee country


Sounds like the starter is going out. Autozone will check those for free. It's just 2 bolts mounting the thing. It's under the passenger side rear of the engine. Undo battery, those 2 bolts and keep track of which wires go where. Run down to Autozone for a check or a new starter.

Oct 26, 2008 | 1996 Jeep Cherokee Country

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